A broadside array operating at 100 cm wavelength consist of 4 half-wave dipoles

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Question
A broadside array operating at 100 cm wavelength consist of 4 half-wave dipoles spaced 50 cm apart. Each element carries radio frequency current in the same phase and of magnitude 0.5 A. The radiated power will be
Options
A. 196 W
B. 73 W
C. 36.5 W
D. 18.25 W

Correct Answer

196 W

Explanation

P = n . I² . R_r, where R_r = 80p²

A broadside array operating at 100 cm wavelength consist of 4 half-wave dipoles spaced 50 cm apart.

?.

n = 4.

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